ToolVet
75trust / 100

Markets Event Contracts

by Tanod utilpeek in Onchain & crypto

x402 APIPassing, checked 27 min ago

utilpeek (Tanod) regulated US event contracts (prediction markets): implied probability, bid and ask, volume, close time. Use when an agent needs US event-contract odds: implied probability, bid/ask, volume, close time by topic.

POST https://tanod.dev/v1/markets/event-contracts

Last 30 days

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

Uptime
100%
Response time
401 ms typical, 545 ms slowest 5%
Last check
27 min ago
Next check
in 4 min

How to call it

POST https://tanod.dev/v1/markets/event-contracts

Each call costs $0.004 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://tanod.dev/v1/markets/event-contracts
content-type: application/json

{}

Parameters

ParameterTypeRequiredDescription
close_afterstring or nullNoOptional: only markets closing on or after this date or ISO 8601 time. Default: null.
close_beforestring or nullNoOptional: only markets closing on or before this date (2026-12-31) or ISO 8601 time. Default: null.
cursorstring or nullNoOptional: the `next_cursor` of the previous reply, to get the next page of the same search. Default: null.
limitintegerNoMost markets to return, 1-100 (default 20). Default: 20.
querystring or nullNoOptional: words that must all appear in the market title or subtitle, such as fed rate or bitcoin above. Omit to list markets. Default: null.
sortstringNovolume (default): most traded first; closing_soon: earliest close time first. One of: volume, closing_soon. Default: "volume".

Example response

The provider's example. We can't check it without paying.

Example response, 33 lines
{
  "age_seconds": 212,
  "as_of": "2026-10-12T03:10:05Z",
  "close_after": null,
  "close_before": null,
  "count": 1,
  "coverage": "Open markets in the 300 non-sports series with the highest all-time volume (politics, economics, finance, crypto, world, science and more); sports and low-volume series are not included, so this is not every market.",
  "disclaimer": "Data only, not trading advice. Third-party exchange quotes, delayed up to about 30 minutes; may contain errors.",
  "markets": [
    {
      "close_time": "2026-10-14T01:00:00Z",
      "event_id": "KXLIGAMXTOTAL-26OCT11PUMCRA",
      "id": "KXLIGAMXTOTAL-26OCT11PUMCRA-7",
      "implied_probability": 0.27,
      "last_price": 0.27,
      "open_interest": 28915.51,
      "subtitle": "Over 6.5 goals scored",
      "title": "Will over 6.5 goals be scored?",
      "volume": 49257.86,
      "volume_24h": 44200.82,
      "yes_ask": 0.28,
      "yes_bid": 0.26
    }
  ],
  "next_cursor": "c1",
  "query": "goals",
  "sort": "volume",
  "source": "Third-party quotes from a regulated US event-contract exchange (prediction markets); Tanod does not create the prices.",
  "stale": false,
  "stale_after_seconds": 3600,
  "total_matched": 38,
  "untrusted_content": true
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.004.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/markets/event-contracts' \
  -H 'content-type: application/json' \
  --data-raw '{}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/markets/event-contracts' \
  -H 'content-type: application/json' \
  --data-raw '{}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fmarkets%2Fevent-contracts&method=POST
const res = await pay("https://tanod.dev/v1/markets/event-contracts", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({}),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tanod.dev/v1/markets/event-contracts",
        json={},
    )
    print(res.status_code, res.text)

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
27 min agoPassed4021.1 s$0.004
4 h agoPassed402401 ms$0.004
8 h agoPassed402388 ms$0.004
18 h agoPassed402545 ms$0.004